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2611A PDF даташит

Спецификация 2611A изготовлена ​​​​«AgereSystems» и имеет функцию, называемую «Broadband Photodiode Module».

Детали детали

Номер произв 2611A
Описание Broadband Photodiode Module
Производители AgereSystems
логотип AgereSystems логотип 

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2611A Даташит, Описание, Даташиты
Data Sheet
August 2000
2611A Broadband Photodiode Module
Features
s Flat response, ±0.5 dB
s Frequency response up to 1 GHz
s High responsivity:
— >0.85 A/W at 1310 nm
— 0.95 A/W at 1550 nm
s Internal current gain, 6 dB (typ.)
s Up to 3 dBm max. continuous received power
(6 dBm max.)
s 75 impedance-matched
Applications
s Broadband CATV receivers requiring high input
power for improved performance
Description
The 2611A is a packaged impedance-matched pho-
todiode module with internal gain designed for use in
optical broadband receivers in fiber-optic networks.
The patented impedance-match technology results in
improved gain-bandwidth product compared to exter-
nal circuits due to control of parasitics between the
photodiode and the transformer.
Additionally, the 2611A is designed for superior dis-
tortion performance at up to 6 dBm (received) input
power.
Pin Information
Table 1. Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Description
Ground
Ground
Ground
Ground
Ground
Ground
Open
Open
RF Out
Ground
Bias
Ground
Open
Ground









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2611A Даташит, Описание, Даташиты
2611A Broadband Photodiode Module
Data Sheet
August 2000
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Parameter
Operating Case Temperature Range
Storage Temperature Range
Optical Input Power
dc Bias Voltage
Forward Current
Symbol
TC
Tstg
PIN
VPD
IF
Min
–40
–40
Max
85
85
4
30
10
Unit
°C
°C
mW
V
mA
Characteristics.
Table 2. Electrical/Optical Characteristics
Parameter
Optical Wavelength
Range
Responsivity
Optical Return Loss1
Bias Voltage
Dark Current
1. Without connector
Symbol
Min
λ 1310—1550 ± 20
——
RL —
——
ID
Typ
>0.85 at 1310 nm,
>0.95 at 1550 nm
>45
20 (nominal)
200 at 20 °C
Max
Unit
— nm
— mA/mW
— mA/mW
— dB
—V
— nA
Table 3. RF Characteristics
Parameter
Frequency Range
Gain1
Frequency Response
Receiver Noise
Distortion Products2:
Second Order
Third Order
Symbol
F
G
Min
40
Typ
>5
<± 0.5
See Figure 1.
Max
1000
Unit
MHz
dB
dB
CSO
CTB
<–68 above 550 MHz
<–70 below 55 MHz
<–80
dBc
dBc
dBc
1. Current gain of internal transformer circuit.
2. Two laser test. Each laser has 40% modulation index. Total received optical power is 3 dBm. Distortion products measured at80 MHz,
450 MHz, 600 MHz, 850 MHz, and 1000 MHz.
2 Agere Systems Inc.









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2611A Даташит, Описание, Даташиты
Data Sheet
August 2000
2611A Broadband Photodiode Module
Characteristics Curves
14
X
X
12 X X
10
XX
XX
8
XX
XX
6
4
XX
X
X
X
X
X
X
X
X
2
0
0 1 2 3 4 5 6 7 8 9 10 11 12
MATCHING GAIN (dB)
KEY
NF = 0 dB
X X NF = 6 dB
X
NF = 2 dB
X NF = 8 dB
NF = 4 dB
NF = 10 dB
1-1182 (F).c
Figure 1. Receiver Noise
1.0
SPEC LIMIT
0.5
0
– 0.5
– 1.0
SPEC LIMIT
– 2.0
0
200 400 600 800 1000
FREQUENCY (MHz)
1-1184 (F).c
Figure 2. Typical Frequency Response Measured into 75 Load, VSWR <1.5
Agere Systems Inc.
3










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